North Sails has had a presence in the OK Dinghy class for the last fifteen years. In 2014, our Class Leader Charlie Cumbley competed in several major regattas while testing the North Sails designs. By combining North Design Suite’s ability to create very accurate sail designs with lessons learned from our Finn sails, we developed a series of new OK designs, including the M-19 Mainsail which won the World Championship in 2015.

Shop Inventory

Mainsails

OK M-20 Mainsail

The updated mainsail design is a development of the worlds winning M-19 full radial sail. Cut from Contender RS2.5 polykote, the sail is designed as an all purpose sail, for those looking for a one sail program. The M-20 design is flatter than the M-19, with a combination of less luff curve and broadseaming, to produce a sail that can...

Full Product Details

North Sails Logo Fade

OK KAP-1 Mainsail

The KAP-1 is an all purpose mainsail ideal for those looking for a one-sail program. The original design has been developed on to create a sail that is easier to trim. The sail shape is deeper, right down to the foot allowing for power downwind and in the lighter wind ranges. The KAP-1 is cut specifically to suit your mast...

Full Product Details

North Sails Logo Fade

OK KL-1 Mainsail

Wind range: 0-15 knots

The KL-1 mainsail is a light air design that excels in winds from 0 to 15 knots.  It features a crosscut design built from a softer cloth which allows the sail to settle more easily in lighter breezes, maintaining the wind flow over the sail. Like the KAP-1 the shape comes right down to the foot of the sail, maximizing...

Full Product Details

OK Dinghy Class Experts

OK Dinghy headshot

Charlie Cumbley

Gosport, United Kingdom
Email

North Sails Logo

André Budzien

Schwerin, Germany
Email

OK Dinghy headshot

Derek Scott

Auckland, New Zealand – Sales Office
Auckland, New Zealand – Sail Loft
Email